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. 1982 Jan;35(1):86–90. doi: 10.1128/iai.35.1.86-90.1982

Characteristic differences between saliva-dependent aggregation and adhesion of streptococci.

B Rosan, D Malamud, B Appelbaum, E Golub
PMCID: PMC350999  PMID: 6274804

Abstract

Comparison of saliva-mediated aggregation of Streptococcus sanguis, Streptococcus mitis, and Streptococcus mutans and adhesion of these organisms to saliva-coated hydroxyapatite showed that there was no relationship between these two activities. Adsorption of salivary aggregating activity to bacteria appears to have little effect on the ability of the residual saliva to support adherence; conversely, adsorption of salivary adherence factors to hydroxyapatite does not affect aggregation. Although heating saliva significantly reduces bacterial aggregation, it has little or no effect on adherence. A comparison of aggregation and adhesion with serial dilutions of saliva demonstrated that adhesion could still be detected at 100 to 500-fold-lower concentrations of salivary protein that bacterial aggregation. These findings support the concept that aggregation and adherence involve two distinct mechanisms of microbial clearance in the oral cavity.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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